[meteorite-list] worth keeping in mind re exotic impacts -- mirror matter proposals, Robert T Foot: Rich Murray 2010.01.03

[Rich Murray]

worth keeping in mind re exotic impacts -- mirror matter proposals, Robert T 
Foot: Rich Murray 2010.01.03

http://au.arxiv.org/abs/astro-ph/0203152
Exotic meteoritic phenomena: The Tunguska event and anomalous low altitude 
fireballs -- manifestations of the mirror world?
R. Foot, T. L. Yoon
(Submitted on 11 Mar 2002 (v1), last revised 10 May 2002 (this version, v5))

There are a number of very puzzling meteoritic events including
(a) The Tunguska event.
It is the only known example of a low altitude atmospheric explosion.
It is also the largest recorded event.
Remarkably no fragments or significant chemical traces have ever been 
recovered.
(b) Anomalous low altitude fireballs which (in some cases) have been 
observed to hit the ground.
The absence of fragments is particularly striking in these cases, but this 
is not the only reason they are anomalous.
On the other hand, there is strong evidence that most of our galaxy is made 
from exotic dark material - `dark matter'.
Mirror matter is one well motivated dark matter candidate, since it is dark 
and stable and it is required to exist if particle interactions are mirror 
symmetric.
If mirror matter is the dark matter, then some amount must exist in our 
solar system.
We demonstrate that the mirror matter theory allows for a simple explanation 
for the puzzling meteoritic events [both (a) and (b)] if they are due to 
mirror matter space-bodies.
A direct consequence of this explanation is that mirror matter fragments 
should exist in (or on) the ground at various impact sites.
The properties of this potentially recoverable material depend importantly 
on the sign of the photon-mirror photon kinetic mixing parameter, "epsilon".
We argue that the broad characteristics of the anomalous events suggests 
that "epsilon" is probably negative.
Strategies for detecting mirror matter in the ground are discussed.
Comments:About 25 pages, slight adjustment
Subjects:Astrophysics (astro-ph); Condensed Matter (cond-mat); High Energy 
Physics - Phenomenology (hep-ph); Space Physics (physics.space-ph)
Journal reference:ActaPhys.Polon.B33:1979-2009,2002
Cite as:arXiv:astro-ph/0203152v5
http://au.arxiv.org/PS_cache/astro-ph/pdf/0203/0203152v5.pdf  31 page

most recent published paper:
http://arxiv.org/abs/0909.3126
http://arxiv.org/PS_cache/arxiv/pdf/0909/0909.3126v2.pdf  11 page

http://www.findanexpert.unimelb.edu.au/researcher/person14116.html
Publications and other information, Robert T. Foot
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exact Carolina Bay crater locations, RB Firestone, A West, et al, two
YD reviews, 2008 June, 2009 Nov, also 3 upcoming abstracts:
Rich Murray 2009.11.14
http://rmforall.blogspot.com/2009_11_01_archive.htm
Saturday, November 14, 2009
http://groups.yahoo.com/group/astrodeep/message/31

Rich Murray, MA
Boston University Graduate School 1967 psychology,
BS MIT 1964, history and physics,
1943 Otowi Road, Santa Fe, New Mexico 87505
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